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Spatial and temporal variation in climate change: a bird's eye view

机译：气候变化的时空变化：鸟瞰图

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Recent changes in global climate have dramatically altered worldwide temperatures and the corresponding timing of seasonal climate conditions. Recognizing the degree to which species respond to changing climates is therefore an area of increasing conservation concern as species that are unable to respond face increased risk of extinction. Here we examine spatial and temporal heterogeneity in the rate of climate change across western North America and discuss the potential for conditions to arise that may limit the ability of western migratory birds to adapt to changing climates. Based on 52years of climate data, we show that changes in temperature and precipitation differ significantly between spring migration habitats in the desert southwest and breeding habitats throughout western North America. Such differences may ultimately increase costs to individual birds and thereby threaten the long-term population viability of many species.
机译：全球气候的最新变化极大地改变了全球温度以及季节性气候条件的相应时机。因此，认识到物种对气候变化的反应程度是一个越来越引起保护问题的领域，因为无法响应的物种面临更大的灭绝风险。在这里，我们研究了北美西部地区气候变化速率的时空异质性，并讨论了潜在条件的出现，这些条件可能会限制西部候鸟适应气候变化的能力。根据52年的气候数据，我们发现西南沙漠中的春季迁徙栖息地与北美西部整个地区的繁殖栖息地之间的温度和降水变化差异很大。这种差异最终可能会增加单个鸟类的成本，从而威胁到许多物种的长期种群生存能力。

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